CN219914101U - Spraying system with cold and heat source recovery exchange - Google Patents
Spraying system with cold and heat source recovery exchange Download PDFInfo
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- CN219914101U CN219914101U CN202320971870.8U CN202320971870U CN219914101U CN 219914101 U CN219914101 U CN 219914101U CN 202320971870 U CN202320971870 U CN 202320971870U CN 219914101 U CN219914101 U CN 219914101U
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- 238000011084 recovery Methods 0.000 title claims abstract description 80
- 238000005507 spraying Methods 0.000 title claims abstract description 31
- 239000007921 spray Substances 0.000 claims abstract description 37
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 230000003749 cleanliness Effects 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 10
- 239000003595 mist Substances 0.000 claims description 9
- 239000003973 paint Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims 11
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 7
- 239000002912 waste gas Substances 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Central Air Conditioning (AREA)
Abstract
The utility model discloses a spraying system with cold and heat source recovery exchange, which relates to the technical field of industrial spraying, and comprises a recovery exchange unit, a spray booth and a filter unit, wherein the spray booth, the recovery exchange unit and the filter unit are sequentially arranged; a first fan is arranged between the spray room and the recovery exchange unit, the recovery exchange unit supplies air into the spray room through the first fan, and the spray room returns air to the recovery exchange unit directly; a second fan is arranged between the recovery exchange unit and the filtering unit, and the recovery exchange unit exhausts air to the filtering unit for treatment through the second fan. The utility model is provided with the recovery exchange unit, can recover a large amount of heat energy in the exhaust gas discharged from the spray booth, and can apply the recovered heat energy to heating or cooling of another fluid, thereby improving the energy recovery rate.
Description
Technical Field
The utility model relates to the technical field of industrial spraying, in particular to a spraying system with cold and heat source recovery exchange.
Background
The traditional spray-coating cold and heat source recovery device has the advantages that paint mist slowly stagnates on the heat exchange plates after being used for 1-2 years, so that the resistance of the heat exchanger is increased, the heat exchange efficiency is reduced, and only the heat exchanger can be replaced. The cold and heat source recovery device in the spraying industry is easy to be silted and blocked, and the reason is that as the filter at the front section of the heat exchanger intercepts more and more paint mist, the resistance of the cold and heat source recovery device gradually increases, workers are required to check and maintain in time, and when the cold and heat source recovery device leaks, the filter is easy to fall off or damage, and the paint mist directly enters the heat exchanger to cause irreversible damage. And the constant temperature and humidity gas required by the traditional spray booth is provided by a fresh air box, and exhaust gas discharged after passing through the spray booth is sent to exhaust equipment, so that the exhaust gas treatment capacity is high, the energy consumption is high, and meanwhile, as fresh air introduced outdoors supplies air for the spray booth, the temperature and humidity of the fresh air can be greatly different along with the change of climate, and the energy consumption is high.
The Chinese patent with the publication number of CN206234947U discloses a heat recovery device of a spraying system, which comprises an air conditioning unit, a spraying room air supply box and a heat recovery fan connected with a top pipeline of a wire body oven; an air inlet of the air supply box of the spray booth is sequentially provided with an ash blocking cloth, a first filter, a second filter, a surface cooler, a heat recovery water circulator, a wet curtain, a blower of the spray booth, a third filter and a fourth filter. The heat energy required to be discharged by the wire body oven and the heat energy generated by the air conditioning unit are effectively recovered, and the energy sources of electric auxiliary heating of the air conditioning unit and electric heating and dehumidification of the air supply box of the spray booth are saved. But this patent sets up a plurality of filters and filters, and the structure is comparatively complicated, and is unidirectional transmission between its heat recovery fan and the room that spouts, and the unable amount of wind that spouts in the room that spouts of heat recovery fan carries out recycle, that is, this patent is to the energy recovery rate in the room that spouts low.
Disclosure of Invention
The utility model provides a spraying system with cold and heat source recovery exchange, which aims to solve the technical problem of energy waste caused by poor recovery and utilization of discharged waste gas in the prior art.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:
the spraying system comprises a recovery exchange unit, a spraying room and a filtering unit, wherein the spraying room, the recovery exchange unit and the filtering unit are sequentially arranged;
a first fan is arranged between the spray room and the recovery exchange unit, the cold and heat source recovery combined air supply box supplies air into the spray room through the first fan, and the spray room directly returns air to the recovery exchange unit;
a second fan is arranged between the recovery exchange unit and the filtering unit, and the recovery exchange unit exhausts air to the filtering unit for treatment through the second fan.
Based on the technical scheme, the spraying system further comprises an RTO processing unit, and the RTO processing unit is connected with the filtering unit.
Based on the technical scheme, further, the air cleanliness sensor is arranged in the recovery exchange unit and the spray booth, and the air cleanliness sensor is in communication connection with external terminal equipment.
Based on the above technical scheme, still further, retrieve the exchange unit and include pressure differential monitoring sensor, pressure differential monitoring sensor and outside terminal equipment communication connection.
Based on the technical scheme, the differential pressure monitoring sensor monitors that the differential pressure range between the inlet end of the filter unit and the outlet section of the filter unit is 100pa-500pa.
Based on the above technical scheme, still further, retrieve the inside first cavity that is equipped with of exchange unit, first cavity is exhausted air and is transmitted to the second fan, and is equipped with the heat transfer runner in the first cavity, and the heat transfer runner includes actuating mechanism, casing and wheel body, and actuating mechanism drive wheel body rotates, and actuating mechanism and wheel body are installed inside the casing.
Based on the above technical scheme, still further, still be equipped with a plurality of temperature and humidity sensor in the first cavity, a plurality of temperature and humidity sensor lays around the heat transfer runner, and a plurality of temperature and humidity sensor and outside terminal equipment communication connection.
Based on the technical scheme, still further, retrieve the inside second cavity that still is equipped with of exchange unit, second cavity is equipped with air filter unit in the internal, and the second cavity receive new trend and transmit to with first cavity.
Based on the technical scheme, still further, retrieve the inside third cavity that still is equipped with of exchange unit, third cavity internal is equipped with at least one coating cloud filter element, and the third cavity receives spouts the room return air to in the transmission to first cavity.
Based on the technical scheme, still further, retrieve the inside fourth cavity that still is equipped with of exchange unit, first cavity receives the new trend of second cavity and carries out the processing after and transmit to the fourth cavity, and fourth cavity is inside to be equipped with cold coil pipe, hot coil pipe and humidifier, and cold coil pipe, hot coil pipe and humidifier are controlled by a control valve respectively.
Based on the above technical scheme, still further, retrieve the inside fifth cavity that still is equipped with of exchange unit, fifth cavity receives the fresh air that fourth cavity handled and carries to spouting the room, and fifth cavity internal blower that is equipped with.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model is provided with the heat recovery unit, so that a large amount of heat energy exists in the exhaust gas discharged from the spray booth for recovery, and the recovered heat energy is applied to heating or cooling of another fluid (such as air or water, and the like), thereby having direct and important economic and social significance for energy conservation and emission reduction. The utility model can also realize the recovery and utilization of the energy of the waste gas of the spray booth under two different working conditions in winter and summer, and respectively heat and refrigerate the introduced fresh air, thereby achieving the effect of saving energy consumption and improving the energy recovery and utilization rate and economic benefit.
Drawings
FIG. 1 is a schematic illustration of the construction of a spray coating system of the present utility model;
FIG. 2 is a schematic view of the heat exchanging rotor of the present utility model;
FIG. 3 is a front view of FIG. 2;
FIG. 4 is a schematic diagram of a recovery exchange unit according to the present utility model
Description of the drawings: 1. a recovery exchange unit; 2. spraying room; 3. a filtering unit; 4. a first fan; 5. a second fan; an RTO processing unit; 7. a first cavity; 8. a second cavity; 9. a third cavity; 10. a fourth cavity; 11. a fifth cavity; 12. an air filter; 13. a heat exchange rotating wheel; 14. a driving mechanism; 15. a housing; 16. a wheel body; 17. a paint mist filter; 18. a cold coil; 19. a thermal coil; 20. a humidifier; 21. and a blower.
Detailed Description
In order to make the objects and technical solutions of the present utility model more clear, the technical solutions of the present utility model will be clearly and completely described below with reference to examples.
It should be noted that the description of the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, for convenience of description and simplification of the description, and is not intended to indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the utility model.
Example 1
Referring to fig. 1 to 4, a spraying system with cold and heat source recovery exchange comprises a recovery exchange unit 1, a spraying room 2 and a filtering unit 3, wherein the spraying room 2, the recovery exchange unit 1 and the filtering unit 3 are sequentially arranged; a first fan 4 is arranged between the spray room 2 and the recovery exchange unit 1, the cold and heat source recovery combined air supply box supplies air into the spray room 2 through the first fan 4, and the spray room 2 directly returns air to the recovery exchange unit 1; a second fan 5 is arranged between the recovery exchange unit 1 and the filtering unit 3, and the recovery exchange unit 1 exhausts air to the filtering unit 3 for treatment through the second fan 5.
In particular, the spray system further comprises an RTO treatment unit 6, the RTO treatment unit 6 being connected to the filter unit 3. The recovery exchange unit 1 and the spray booth 2 are internally provided with air cleanliness sensors, the air cleanliness sensors are in communication connection with external terminal equipment, the recovery exchange unit 1 comprises a differential pressure monitoring sensor, the differential pressure monitoring sensor is in communication connection with the external terminal equipment, and the differential pressure range between the inlet end of the filtering unit 3 and the outlet section of the filtering unit 3 is 100pa-500pa. The inside air cleanliness factor sensor that is equipped with of filter unit 3, air cleanliness factor sensor and outside terminal equipment communication connection, wherein, the air cleanliness factor level that air cleanliness factor sensor monitored is the hundred thousand grades.
The recovery exchange unit 1 is internally provided with a first cavity 7, the first cavity 7 is used for exhausting air and transmitting the air to the second fan 5, and the first cavity 7 is internally provided with a heat exchange rotating wheel 13, the heat exchange rotating wheel 13 comprises a driving mechanism 14, a shell 15 and a wheel body 16, the driving mechanism 14 drives the wheel body 16 to rotate, the driving mechanism 14 and the wheel body 16 are arranged in the shell 15, the driving mechanism 14 can select a device with a driving function such as a driving motor, the heat exchange rotating wheel 13 continuously rotates at a constant speed, fresh air and exhausted air reversely pass through semicircles of the rotating wheel respectively, and due to the fact that temperature and humidity differences exist between the fresh air and the return air, heat in the air is continuously transferred and transmitted, and therefore sensible heat and submerged heat exchange is carried out, energy recovery efficiency can be up to more than 70%, cold and hot loads and power consumption of an air conditioning system are greatly reduced, and energy sources are saved. A plurality of temperature and humidity sensors are further arranged in the first cavity 7 and distributed around the heat exchange rotating wheel 13, the plurality of temperature and humidity sensors are in communication connection with external terminal equipment, and the temperature and humidity sensors can monitor the change of the temperature and humidity of the current air. The recovery exchange unit 1 is also internally provided with a second cavity 8, an air filter 12 is arranged in the second cavity 8, and the second cavity 8 receives fresh air and transmits the fresh air to the first cavity 7. The recovery exchange unit 1 is also internally provided with a third cavity 9, at least one paint mist filter 17 is arranged in the third cavity 9, and the third cavity 9 receives the return air of the spray booth 2 and transmits the return air into the first cavity 7. The recovery exchange unit 1 is also internally provided with a fourth cavity 10, the first cavity 7 receives the fresh air of the second cavity 8 for treatment and transmits the fresh air to the fourth cavity 10, the fourth cavity 10 is internally provided with a cold coil 18, a hot coil 19 and a humidifier 20, and the cold coil 18, the hot coil 19 and the humidifier 20 are respectively controlled by a control valve. The recovery exchange unit 1 is also internally provided with a fifth cavity 11, the fifth cavity 11 receives the fresh air processed by the fourth cavity 10 and conveys the fresh air to the spray booth 2, and a blower 21 is arranged in the fifth cavity 11. Wherein, the first cavity 7, the second cavity 8, the third cavity 9, the fourth cavity 10 and the fifth cavity 11 are all communicated with each other.
The working principle of the system is as follows:
the fresh air OA enters the air supply box and is filtered firstly, and then energy exchange is carried out between the fresh air OA and constant temperature and humidity waste gas recovered in the spray booth 2 through the recovery exchange unit 1, wherein the thermal efficiency of the recovery exchange unit 1 is about 70%, namely, the energy exchange is carried out between the return air RA and the fresh air OA entering the recovery exchange unit 1, the exchanged waste gas is discharged by the second fan 5, and the discharged waste gas EA enters the RTO treatment unit 6 for waste gas treatment after passing through the filtering unit 3; meanwhile, the exchanged fresh air passes through a cold coil, a hot coil and a humidifier to reach constant temperature and humidity air SA required by the spray booth 2, wherein the fresh air refers to fresh air OA.
The exhaust gas RA discharged from the spray booth 2 was constant temperature and humidity gas at a temperature of about 25 ℃ and a relative humidity of about 60%. At this time, if the offgas RA is directly discharged to the offgas treatment apparatus outdoors, waste of energy is caused. Therefore, the exhaust gas RA is recovered to the recovery exchanging unit 1, and the recovery exchanging unit 1 exchanges energy with the outdoor incoming fresh air OA to absorb the cold and heat energy in the exhaust gas RA, thereby completing one cycle. After which the above-described operating steps are cycled.
The system is characterized in that a pressure difference monitoring sensor is additionally arranged at the position of the recovery exchange unit 1, the recovery exchange unit is further provided with an air cleanliness sensor, signals fed back by the sensors are analyzed and processed through software, when the pressure difference of the paint mist filter 17 reaches 500Pa, the system automatically pushes information to a mobile phone terminal to remind the corresponding filter to be replaced, if an operator still does not replace the filter and continues to use, the system can send a buzzer to alarm and forcibly stop equipment operation when the pressure difference reaches 550 Pa. If the filter is replaced, but the air leakage caused by uncompacted paint mist is caused, the paint mist can leak to the recovery exchange unit, and the air cleanliness sensor immediately monitors the gas pollution and forcibly stops. Through the double guarantee of the two aspects, the service life of the recovery exchange unit 1 is prolonged.
The system can realize the recovery and the utilization of the energy of the waste gas of the spray booth 2 under two different working conditions in winter and summer. The following are provided:
the specific process in winter is as follows: in winter, the outdoor fresh air OA is about-3 ℃, the fresh air OA is the fresh air OA, the temperature of the fresh air OA can be raised to about 16 ℃ after passing through the recovery exchange unit 1, and at the moment, the temperature is raised to 26 ℃ after being heated by a hot coil pipe and humidified by a humidifier. Compared with the method that fresh air OA of minus 3 ℃ is directly introduced outdoors and heated to 26 ℃, the heat exchange rotating wheel in the recovery exchange unit 1 greatly saves energy consumption. For example, the heating time in a certain area is 20 h/day, and the heating time is considered to be 90 days in one year, and the price of the local natural gas is 3.5 m 3 Per h, fresh air volume of 23000m 3 And/h, the refrigerating power is 80kW/h, and compared with a traditional air conditioning system, the annual benefit of the device can reach 11 ten thousand yuan/year, and the benefit is more considerable in consideration of heat loss in the actual process.
The specific flow in summer is as follows: in summer, the outdoor fresh air OA is about 35 ℃, the temperature of the fresh air OA can be reduced to about 26 ℃ after the fresh air OA is treated by the heat exchange rotating wheel, and the fresh air OA is dehumidified and cooled by the cold coil pipe to assist in heating, so that the temperature and the humidity required by a room are achieved, and then the fresh air OA is supplied. For example, the refrigerating time in a certain area is 20 h/day, the local electric charge is 1 yuan/degree, and the fresh air quantity is 23000m according to the refrigerating time of 300 days in one year 3 And/h, the refrigerating power is 360kW/h, and the refrigerating COP is 4.0, so that compared with a traditional air conditioning system, the annual benefit of the device can reach 36 ten thousand yuan/year, and the benefit is more considerable in consideration of heat loss in the actual process. Therefore, the system not only effectively avoids the waste of energy sources and saves a great amount of energy consumption, but also has great economic benefit.
The foregoing is a description of embodiments of the utility model, which are specific and detailed, but are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (10)
1. The spraying system with the cold and heat source recovery exchange is characterized by comprising a recovery exchange unit, a spraying room and a filtering unit, wherein the spraying room, the recovery exchange unit and the filtering unit are sequentially arranged;
a first fan is arranged between the spray room and the recovery exchange unit, the cold and heat source recovery combined air supply box supplies air into the spray room through the first fan, and the spray room directly returns air to the recovery exchange unit;
a second fan is arranged between the recovery exchange unit and the filtering unit, and the recovery exchange unit exhausts air to the filtering unit for treatment through the second fan.
2. A spraying system with heat and cold source recovery exchange according to claim 1, further comprising an RTO processing unit connected to the filter unit.
3. The spraying system with cold and heat source recycling exchange according to claim 1, wherein the recycling exchange unit and the spraying room are internally provided with an air cleanliness sensor, and the air cleanliness sensor is in communication connection with external terminal equipment.
4. A spray system provided with a heat and cold source recovery exchange according to claim 1, wherein the recovery exchange unit comprises a pressure difference monitoring sensor in communication with an external terminal device.
5. The spraying system with cold and heat source recycling and exchanging function according to claim 1, wherein a first cavity is arranged in the recycling and exchanging unit, exhaust air of the first cavity is transmitted to the second fan, a heat exchange rotating wheel is arranged in the first cavity and comprises a driving mechanism, a shell and a wheel body, the driving mechanism drives the wheel body to rotate, and the driving mechanism and the wheel body are installed in the shell.
6. The spraying system with cold and heat source recycling and exchanging functions according to claim 5, wherein a plurality of temperature and humidity sensors are further arranged in the first cavity, the plurality of temperature and humidity sensors are arranged around the heat exchange rotating wheel, and the plurality of temperature and humidity sensors are in communication connection with external terminal equipment.
7. The spray system with heat and cold source recovery exchange according to claim 6, wherein the recovery exchange unit is further provided with a second cavity, the second cavity is internally provided with an air filtering unit, and the second cavity receives fresh air and transmits the fresh air to the first cavity.
8. The spray system with cold and heat source recycling exchange according to claim 7, wherein a third cavity is further arranged in the recycling exchange unit, at least one paint mist filtering unit is arranged in the third cavity, and the third cavity receives the spray room return air and transmits the spray room return air into the first cavity.
9. The spraying system with cold and heat source recycling and exchanging function according to claim 8, wherein a fourth cavity is further arranged in the recycling and exchanging unit, the first cavity receives fresh air of the second cavity for treatment and then transmits the fresh air to the fourth cavity, a cold coil, a hot coil and a humidifier are arranged in the fourth cavity, and the cold coil, the hot coil and the humidifier are controlled by one control valve respectively.
10. The spraying system with cold and heat source recycling exchange according to claim 9, wherein a fifth cavity is further arranged in the recycling exchange unit, the fifth cavity receives the fresh air processed by the fourth cavity and transmits the fresh air to the spraying room, and
and a blower is arranged in the fifth cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320971870.8U CN219914101U (en) | 2023-04-26 | 2023-04-26 | Spraying system with cold and heat source recovery exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320971870.8U CN219914101U (en) | 2023-04-26 | 2023-04-26 | Spraying system with cold and heat source recovery exchange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219914101U true CN219914101U (en) | 2023-10-27 |
Family
ID=88431440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320971870.8U Active CN219914101U (en) | 2023-04-26 | 2023-04-26 | Spraying system with cold and heat source recovery exchange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219914101U (en) |
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2023
- 2023-04-26 CN CN202320971870.8U patent/CN219914101U/en active Active
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